Positioning device for metal casting machining

Abstract

The utility model discloses a positioning device for metal casting processing, which comprises a fixed clamp body, a movable clamp body is adjustably arranged on the fixed clamp body, and when the movable clamp body is adjusted, a casting can be clamped between the fixed clamp body and the movable clamp body; accommodating cavities are formed in the fixed clamp body and the movable clamp body, at least two movable clamping jaws are movably mounted in each accommodating cavity, and steel balls are filled in the accommodating cavities on the rear sides of the movable clamping jaws and are used for extruding the movable clamping jaws so as to clamp a special-shaped casting. According to the utility model, the steel ball is extruded to push the movable clamping jaw to clamp castings with different shapes, so that the universality is high; and meanwhile, multi-point clamping can be achieved, and stability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to casting fixing technical field especially relates to a positioning device for metal casting machining. BACKGROUND

[0002] With the rapid development of modern manufacturing industry, special-shaped castings are increasingly widely used in the fields of aerospace, automobile manufacturing, mechanical equipment, etc. Due to the complex shape and unique structural characteristics of special-shaped castings, higher requirements are put forward for the fixing device in the processing and assembly process. The traditional fixing device is often difficult to adapt to the diversification of the shape of special-shaped castings, resulting in unstable fixing, low machining precision, low production efficiency and other problems.

[0003] In actual production, the fixing problem of castings mainly manifests in the following aspects:

[0004] Complex shape: the shape of castings is different, and the traditional fixing device is difficult to fully match the surface of the castings, resulting in unstable fixing and easy displacement in the processing process, affecting the machining precision.

[0005] Poor universality: the existing fixing device is often designed for a specific shape of castings, lacking universality and being difficult to adapt to diversified production needs.

[0006] Therefore, it has become a technical problem to be solved in the current manufacturing industry to develop a fixing device that can adapt to various shapes of special-shaped castings, is stable in fixing, easy to operate and has strong universality. INVENTION CONTENTS

[0007] The main purpose of the utility model is to provide a positioning device for metal casting machining, aiming at solving the technical problems of unstable fixing and poor universality of the existing casting positioning device.

[0008] To achieve the above-mentioned purpose, the utility model provides a positioning device for metal casting machining, comprising: a fixed jaw body, an adjustable movable jaw body is arranged on the fixed jaw body, when the movable jaw body is adjusted, the fixed jaw body and the movable jaw body can clamp the casting between them;

[0009] A containing cavity is arranged on the fixed jaw body and the movable jaw body, at least two movable clamping jaws are movably arranged in each containing cavity, steel balls are filled in the containing cavity at the rear side of the movable clamping jaws for pressing the movable clamping jaws, thereby clamping the special-shaped casting.

[0010] Further, the movable jaw body is adjustably mounted on the fixed jaw body through a lead screw one;

[0011] One end of the lead screw one is rotatably mounted on the movable jaw body, and the other end is provided with a force rod.

[0012] Further, the accommodating cavity on the fixed jaw body is movably provided with a push block;

[0013] The steel ball is filled between the push block and the movable clamp jaw;

[0014] The push block is movably arranged on the fixed jaw body through a second screw rod;

[0015] The tail of the second screw rod is provided with a force adding rod.

[0016] Further, the fixed jaw body is provided with a jaw groove;

[0017] The bottom of the movable jaw body is provided with a sliding block matched with the jaw groove, and the movable jaw body is slidably arranged on the fixed jaw body through the cooperation of the sliding block and the jaw groove.

[0018] Further, the distance between the movable clamp jaws is smaller than the diameter of the steel ball;

[0019] The movable clamp jaw is provided with a gasket on one side through a screw.

[0020] Further, the bottom of the fixed jaw body is provided with a mounting hole d.

[0021] Further, the fixed jaw body and the movable jaw body are both provided with a jaw groove, and the movable clamp jaw is movably arranged in the jaw groove.

[0022] Further, the accommodating cavity is covered with a cover plate through a screw.

[0023] The beneficial effects of the utility model are as follows:

[0024] In the utility model, the movable clamp jaw is pushed to clamp different shaped castings through extruding the steel ball, and the utility model has high versatility;

[0025] Meanwhile, the movable clamp jaw can clamp at multiple points and has good stability. DRAWINGS

[0026] Figure 1 It is an internal structure schematic view of the utility model;

[0027] Figure 2 It is a three-dimensional structure schematic view of the utility model;

[0028] Figure 3 It is a sectional view of the utility model;

[0029] Figure 4 It is a fixed jaw body structure schematic view of the utility model.

[0030] MARKS OF THE DRAWINGS:

[0031] 1, fixed jaw body, 1a, containing cavity, 1b, claw groove, 1c, jaw groove, 1d, mounting hole, 2, movable jaw body, 3, cover plate, 4, movable clamp jaw, 5, steel ball, 6, screw rod, 7, screw rod, 8, gasket, 9, push block. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings). If the certain posture changes, the directional indications also change accordingly.

[0034] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously meet the scheme. In addition, "multiple" means two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that those skilled in the art can realize it. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist.

[0035] Referring to Figures 1 to 4 The utility model discloses a positioning device for metal casting processing, it includes: fixed jaw body 1, adjustable fixed jaw body 1 is equipped with movable jaw body 2, when movable jaw body 2 is adjusted, fixed jaw body 1 and movable jaw body 2 between can hold casting.

[0036] Fixed jaw body 1 and movable jaw body 2 are equipped with containing cavity 1a, and at least two movable clamp jaws 4 are movably arranged in each containing cavity 1a. Steel balls 5 are filled in the containing cavities 1a behind the movable clamp jaws 4 for extruding the movable clamp jaws 4, thereby clamping the special-shaped casting.

[0037] Working principle

[0038] In use, the casting is placed between the fixed jaw body and the movable jaw body, and then the screw rod one and the screw rod two are rotated respectively according to the needs;

[0039] When the screw rod one is rotated, the movable clamping jaw is first formed into a clamping shape suitable for the shape of the casting, and then the screw rod two is rotated, the push block pushes the steel ball, and the steel ball pushes the movable clamping jaw out according to the shape of the casting to clamp the casting.

[0040] In some embodiments, referring to Figure 3 , the movable jaw body 2 is adjustably mounted on the fixed jaw body 1 through the screw rod one 6;

[0041] One end of the screw rod one 6 is rotatably mounted on the movable jaw body 2, and the other end is provided with a force rod.

[0042] In some embodiments, referring to Figure 3 , the push block 9 is movably mounted in the accommodating cavity 1a of the fixed jaw body 1;

[0043] The steel ball 5 is filled between the push block 9 and the movable clamping jaw 4;

[0044] The push block 9 is adjustably mounted on the fixed jaw body 1 through the screw rod two 7;

[0045] The tail of the screw rod two 7 is provided with a force rod. The screw rod two is rotatably mounted on the push block.

[0046] In some embodiments, referring to Figure 1 , the fixed jaw body 1 is provided with a jaw groove 1c;

[0047] The bottom of the movable jaw body 2 is provided with a sliding block matched with the jaw groove 1c, and the movable jaw body 2 is slidably embedded in the fixed jaw body 1 through the cooperation of the sliding block and the jaw groove 1c.

[0048] In some embodiments, referring to Figure 1 , the distance between the movable clamping jaws 4 is less than the diameter of the steel ball 5;

[0049] The clamping side of the movable clamping jaw 4 is provided with a gasket 8 through a screw.

[0050] In some embodiments, referring to Figure 1 , the bottom of the fixed jaw body 1 is provided with a mounting hole 1d.

[0051] In some embodiments, referring to Figure 4 , the fixed jaw body 1 and the movable jaw body 2 are both provided with a jaw groove 1b, and the movable clamping jaw 4 is movably embedded in the jaw groove 1b.

[0052] In some embodiments, referring to Figure 2 As shown, the accommodation cavities 1a are covered by the cover plates 3 through screws.

[0053] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A positioning device for metal casting machining, characterized by The utility model provides a special-shaped casting clamp, including: fixed clamp body (1), the movable clamp body (2) is arranged on the fixed clamp body (1) and can be adjusted, when the movable clamp body (2) is adjusted, the fixed clamp body (1) and the movable clamp body (2) can hold the casting between them; The fixed clamp body (1) and the movable clamp body (2) are provided with containing cavities (1a), and at least two movable clamping jaws (4) are movably arranged in each containing cavity (1a), steel balls (5) are filled in the containing cavities (1a) at the rear side of the movable clamping jaws (4) to press the movable clamping jaws (4) and further hold the special-shaped casting.

2. The positioning device for metal casting machining according to claim 1, wherein The movable clamp body (2) is adjustably installed on the fixed clamp body (1) through a lead screw (6); One end of the lead screw (6) is rotatably installed on the movable clamp body (2), and the other end is provided with a force adding rod.

3. A positioning device for metal casting machining according to claim 2, wherein The containing cavity (1a) on the fixed clamp body (1) is further movably provided with a push block (9); The steel balls (5) are filled between the push block (9) and the movable clamping jaws (4); The push block (9) is adjustably installed on the fixed clamp body (1) through a lead screw (7); The tail of the lead screw (7) is provided with a force adding rod.

4. The positioning device for metal casting machining according to claim 2, wherein The fixed clamp body (1) is provided with a clamp groove (1c); The bottom of the movable clamp body (2) is provided with a sliding block matched with the clamp groove (1c), and the movable clamp body (2) is slidably embedded in the fixed clamp body (1) through the cooperation of the sliding block and the clamp groove (1c).

5. The positioning device for processing a metal casting according to claim 3, wherein The distance between the movable clamping jaws (4) is less than the diameter of the steel balls (5); The side of the movable clamping jaws (4) is provided with a gasket (8) through a screw.

6. The positioning device for metal casting machining according to claim 4, wherein The bottom of the fixed clamp body (1) is provided with a mounting hole (1d).

7. The positioning device for metal casting machining according to claim 1, wherein The fixed clamp body (1) and the movable clamp body (2) are provided with jaw grooves (1b), and the movable clamping jaws (4) are movably embedded in the jaw grooves (1b).

8. The positioning device for metal casting machining according to claim 3, wherein The containing cavities (1a) are covered with cover plates (3) through screws.

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